Answers: 2
Mathematics, 21.06.2019 13:30
The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).
Answers: 1
Mathematics, 21.06.2019 15:00
The radical equation 2+โ2x-3 = โx+7 has a solution set [x= a0} and an extraneous root x = a1.
Answers: 3
Mathematics, 21.06.2019 23:30
What is the explicit rule for the sequence in simplified form? โ1,โ4,โ7,โ10,โ13โฆ an=4โ5n an=โ4โ3n an=2โ3n an=โ6โ5n
Answers: 1
Mathematics, 22.06.2019 01:30
Find the vertex for the parabola given by the function ฦ(x) = โ3x2 โ 6x.
Answers: 2
Find the surface area
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